Planet 51 is an upcoming CGI animated movie produced by Ilion Animation Studios. In the voice cast: Dwayne Johnson, Justin Long and Jessica Biel.
A making-of featurette has been made available for Planet 51.
Here it is:
(Unfortunately no English subtitles , but anyway, interetesting for a glimpse of footage.)
"The inhabitants of Planet 51 live in fear of alien invasion. Their paranoia is realized when an astronaut arrives from Earth. Befriended by a young resident, he has to avoid capture in order to recover his spaceship and try to return home." (Source: IMDb)
Planet 51 will have to compete with Space Chimps. Looks like space is the new frontier for CGI movies this summer...